Finding the Fourth Proportional to 145,031,509.25, 217,553,263.52 and 42,795,548.09
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Solution
The fourth proportional to 145,031,509.25, 217,553,263.52 and 42,795,548.09 is: 64,195,092.50
Step by Step Solution
- Step 1: Write the proportion equation
145,031,509.25 : 217,553,263.52 = 42,795,548.09 : x - Step 2: Convert to fraction form
145,031,509.25/217,553,263.52 = 42,795,548.09/x - Step 3: Cross multiply
145,031,509.25x = 217,553,263.52 × 42,795,548.09 - Step 4: Simplify right side
145,031,509.25x = 9,310,311,151,106,604 - Step 5: Solve for x
x = 9,310,311,151,106,604/145,031,509.25 - Step 6: Final answer
x = 64,195,092.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.